Windows Media MPEG4 V1/V2 Decoder (Windows)

The Windows Media MPEG4 V1/V2 decoder decodes MPEG4 V1/V2 video streams. ... The globally unique identifiers (GUIDs) for RGB media subtypes differ depending on whether a decoder is acting as a DMO or an MFT. The GUIDs for non-RGB media subtypes ...

msdn.microsoft.com